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Virtual Screening of Benzimidazole Derivatives as Potential Triose Phosphate Isomerase Inhibitors with Biological Activity against Leishmania mexicana. Pharmaceuticals (Basel) 2023; 16:ph16030390. [PMID: 36986489 PMCID: PMC10058926 DOI: 10.3390/ph16030390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 02/24/2023] [Accepted: 02/28/2023] [Indexed: 03/08/2023] Open
Abstract
Leishmania mexicana (L. mexicana) is a causal agent of cutaneous leishmaniasis (CL), a “Neglected disease”, for which the search for new drugs is a priority. Benzimidazole is a scaffold used to develop antiparasitic drugs; therefore, it is interesting molecule against L. mexicana. In this work, a ligand-based virtual screening (LBVS) of the ZINC15 database was performed. Subsequently, molecular docking was used to predict the compounds with potential binding at the dimer interface of triosephosphate isomerase (TIM) of L. mexicana (LmTIM). Compounds were selected on binding patterns, cost, and commercial availability for in vitro assays against L. mexicana blood promastigotes. The compounds were analyzed by molecular dynamics simulation on LmTIM and its homologous human TIM. Finally, the physicochemical and pharmacokinetic properties were determined in silico. A total of 175 molecules with docking scores between −10.8 and −9.0 Kcal/mol were obtained. Compound E2 showed the best leishmanicidal activity (IC50 = 4.04 µM) with a value similar to the reference drug pentamidine (IC50 = 2.23 µM). Molecular dynamics analysis predicted low affinity for human TIM. Furthermore, the pharmacokinetic and toxicological properties of the compounds were suitable for developing new leishmanicidal agents.
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Correia LTB, de Lima NF, Gomes TC, Guerra CHDS, Costa TL, Vinaud MC. Oxfendazole induces protein catabolism and gluconeogenesis in experimental neurocysticercosis. Acta Trop 2022; 234:106571. [PMID: 35752205 DOI: 10.1016/j.actatropica.2022.106571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 06/14/2022] [Accepted: 06/21/2022] [Indexed: 11/01/2022]
Abstract
Neurocysticercosis (NCC) is an endemic public health disease of the central nervous system highly related to epilepsy and seizures. Taenia crassiceps is an experimental model used for NCC and biochemical studies of the host-parasite relationship. For the past 50 years the NCC therapeutic treatment is performed with albendazole (ABZ) and praziquantel which opens a gap for new therapies due to parasitic resistance and other adverse effects of the drugs. Oxfendazole (OXF) is an albendazole derivative with efficacy against tissue cestodes of veterinary importance. The aim of this study was to determine the metabolic impact of OXF on T. crassiceps cysticerci intracranially inoculated in Balb/C mice. The animals were intracranially inoculated with T. crassiceps cysticerci and 30 days later received single dose oral treatment of OXF, ABZ and NaCl 0.9% (control group). The metabolic impact was quantified through the detection of metabolites from glycolysis, anaerobic fermentation of lactate and propionate, tricarboxylic acid cycle, protein catabolism, fatty acids oxidation. The differences observed in the concentrations of metabolites from the OXF treated group showed that the drug induced gluconeogenesis, increase in protein catabolism, fatty acids oxidation and propionate fermentation in comparison to the ABZ and control treated groups. In conclusion, OXF induced greater metabolic impact in T. crassiceps cysticerci than the standard NCC treatment, ABZ, showing that it may represent an alternative drug for its treatment.
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Affiliation(s)
- Laila Timina Bueno Correia
- Laboratory of studies of the host-parasite relationship, Tropical Pathology and Public Health Institute, Federal University of Goias. Brazil
| | - Nayana Ferreira de Lima
- Laboratory of studies of the host-parasite relationship, Tropical Pathology and Public Health Institute, Federal University of Goias. Brazil
| | - Taynara Cristina Gomes
- Laboratory of studies of the host-parasite relationship, Tropical Pathology and Public Health Institute, Federal University of Goias. Brazil
| | - Carlos Henrique De Sousa Guerra
- Laboratory of studies of the host-parasite relationship, Tropical Pathology and Public Health Institute, Federal University of Goias. Brazil
| | - Tatiane Luiza Costa
- Laboratory of studies of the host-parasite relationship, Tropical Pathology and Public Health Institute, Federal University of Goias. Brazil
| | - Marina C Vinaud
- Laboratory of studies of the host-parasite relationship, Tropical Pathology and Public Health Institute, Federal University of Goias. Brazil.
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Ferreira de Lima N, de Andrade Picanço G, Costa TL, Vinaud MC. In vitro metabolic stress induced by nitazoxanide and flubendazole combination in Taenia crassiceps cysticerci. Exp Parasitol 2022; 238:108265. [PMID: 35525309 DOI: 10.1016/j.exppara.2022.108265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 04/18/2022] [Accepted: 04/25/2022] [Indexed: 11/17/2022]
Abstract
Taenia crassiceps is often used as experimental model for T. solium cysticercosis studies. Currently cysticercosis antiparasitic treatment is based on albendazole and praziquantel which may present side effects and parasitic resistance. The search for other antiparasitic drugs is necessary. Nitazoxanide (NTZ) and flubendazole (FLB) are broad spectrum antiparasitic drugs that present anti-cysticercosis effect. Metabolic analyses help to determine the impact of these drugs on parasites. The aim of this study was to determine the impact on the production and excretion of organic metabolites in T. crassiceps cysticerci after in vitro exposure to NTZ and FLB, isolated or in combination. T. crassiceps cysticerci were culture in RPMI medium and exposed to 10μg/mL of NTZ, 10μg/mL of FLB or 10μg/mL of NTZ +10μg/mL of FLB. 24h after exposure, the parasites were chromatographic analyzed to determine the impact of these drugs on glycolysis, homolactic fermentation, tricarboxylic acid cycle, fatty acids oxidation and proteins catabolism. It was possible to determine that the drugs combination induced greater metabolic impact on cysticerci in comparison to the isolated drugs exposure. The drugs combination induced gluconeogenesis, metabolic acidosis, increase in tricarboxylic acid cycle and in proteins catabolism. While the NTZ isolated exposure induced metabolic acidosis and protein catabolism and the FLB isolate exposure induced gluconeogenesis and protein catabolism. These results show that the combination of drugs with different modes of action increase the antiparasitic effect and may be indicated as alternative cysticercosis treatments.
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Affiliation(s)
- Nayana Ferreira de Lima
- Laboratory of Studies of the Host-parasite Relationship, Tropical Pathology and Public Health Institute, Federal University of Goias, Brazil
| | - Guaraciara de Andrade Picanço
- Laboratory of Studies of the Host-parasite Relationship, Tropical Pathology and Public Health Institute, Federal University of Goias, Brazil
| | - Tatiane Luiza Costa
- Laboratory of Studies of the Host-parasite Relationship, Tropical Pathology and Public Health Institute, Federal University of Goias, Brazil
| | - Marina Clare Vinaud
- Laboratory of Studies of the Host-parasite Relationship, Tropical Pathology and Public Health Institute, Federal University of Goias, Brazil.
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de Andrade Picanço G, Ferreira de Lima N, Cristina Gomes T, de Sousa Mendes Moreira Alves D, Luísa da Costa T, Vinaud MC. Intraperitoneal and intracranial experimental cysticercosis present different metabolic preferences after treatment with isolated or combined albendazole and nitazoxanide. Acta Trop 2022; 226:106264. [PMID: 34919953 DOI: 10.1016/j.actatropica.2021.106264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 11/15/2021] [Accepted: 12/03/2021] [Indexed: 11/17/2022]
Abstract
Cysticercosis is a zoonotic public health issue especially severe when the parasite is in the central nervous system although it may be found all over the human organism. Taenia crassiceps cysticerci inoculated in mice is the experimental model used to study cysticercosis. The most used cysticercosis treatment is with albendazole (ABZ). Nitazoxanide (NTZ) has been experimentally tested against this parasite. Metabolic analysis has been used to determine drugs impact on the parasite. The aim of this study was to determine the in vivo metabolic impact of the ABZ-NTZ combination in T. crassiceps cysticerci inoculated in mice peritoneal and intracranial cavities. Mice were experimentally inoculated with T. crassiceps cysticerci in the intraperitoneal cavity or in the intracranial one. Thirty days after the infection they were treated with NaCl 0.9% (control group), 50 mg/kg of ABZ, 50 mg/kg of NTZ or 50 mg/kg of NTZ and ABZ (ABZ/NTZ combination). 24 h after treatment the animals were euthanized and the cysticerci analyzed through high performance chromatography and spectrophotometry in order to detect the glycolytic, mitochondrial and protein catabolism pathways. The intracranial parasites used more intensely the homolactic fermentation while the intraperitoneal ones presented a greater use of the mitochondrial pathways and protein catabolism. Regarding the glycolytic pathways, it was possible to observe a significant impact induced by the drugs used, both isolated or in combination. It was possible to detect an increase in the fumarate reductase pathway after the drugs exposure and no impact in the protein's catabolism. Therefore, the cysticerci showed different uses of metabolic pathways regarding the site of inoculation due to the availability of nutrients inherent of each environment. This study showed the parasite metabolic resilience and capability of use of different biochemical pathways in order to ensure survival in spite of a hostile environment.
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Affiliation(s)
- Guaraciara de Andrade Picanço
- Laboratory of studies of the host-parasite relationship, Tropical Pathology and Public Health Institute, Federal University of Goias, Rua 235, s/n, Setor Universitário, Goiania, Goias CEP 74605-050 Brazil
| | - Nayana Ferreira de Lima
- Laboratory of studies of the host-parasite relationship, Tropical Pathology and Public Health Institute, Federal University of Goias, Rua 235, s/n, Setor Universitário, Goiania, Goias CEP 74605-050 Brazil
| | - Taynara Cristina Gomes
- Laboratory of studies of the host-parasite relationship, Tropical Pathology and Public Health Institute, Federal University of Goias, Rua 235, s/n, Setor Universitário, Goiania, Goias CEP 74605-050 Brazil
| | - Daniella de Sousa Mendes Moreira Alves
- Laboratory of studies of the host-parasite relationship, Tropical Pathology and Public Health Institute, Federal University of Goias, Rua 235, s/n, Setor Universitário, Goiania, Goias CEP 74605-050 Brazil
| | - Tatiane Luísa da Costa
- Laboratory of studies of the host-parasite relationship, Tropical Pathology and Public Health Institute, Federal University of Goias, Rua 235, s/n, Setor Universitário, Goiania, Goias CEP 74605-050 Brazil
| | - Marina Clare Vinaud
- Laboratory of studies of the host-parasite relationship, Tropical Pathology and Public Health Institute, Federal University of Goias, Rua 235, s/n, Setor Universitário, Goiania, Goias CEP 74605-050 Brazil.
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Lactate dehydrogenase and malate dehydrogenase: Potential antiparasitic targets for drug development studies. Bioorg Med Chem 2021; 50:116458. [PMID: 34687983 DOI: 10.1016/j.bmc.2021.116458] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 09/27/2021] [Accepted: 10/05/2021] [Indexed: 12/24/2022]
Abstract
Parasitic diseases remain a major public health concern for humans, claiming millions of lives annually. Although different treatments are required for these diseases, drug usage is limited due to the development of resistance and toxicity, which necessitate alternative therapies. It has been shown in the literature that parasitic lactate dehydrogenases (LDH) and malate dehydrogenases (MDH) have unique pharmacological selective and specificity properties compared to other isoforms, thus highlighting them as viable therapeutic targets involved in aerobic and anaerobic glycolytic pathways. LDH and MDH are important therapeutic targets for invasive parasites because they play a critical role in the progression and development of parasitic diseases. Any strategy to impede these enzymes would be fatal to the parasites, paving the way to develop and discover novel antiparasitic agents. This review aims to highlight the importance of parasitic LDH and MDH as therapeutic drug targets in selected obligate apicoplast parasites. To the best of our knowledge, this review presents the first comprehensive review of LDH and MDH as potential antiparasitic targets for drug development studies.
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Metabolic effects of anthelminthic drugs in the larval stage of the cestode Taenia crassiceps, cysticercosis experimental model - A review. Acta Trop 2020; 206:105448. [PMID: 32194066 DOI: 10.1016/j.actatropica.2020.105448] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 02/26/2020] [Accepted: 03/13/2020] [Indexed: 01/08/2023]
Abstract
Taenia crassiceps is an experimental model used for cysticercosis studies and has suffered metabolic analyzes regarding the effect of anthelminthic drugs. The metabolic analyses are useful tools to determine the drugs mode of action and the parasite`s survival mechanisms. The energetic pathways are good candidates for this kind of approach as they are essential for the parasite`s survival and adaptation to the environment. In this review we discuss the anthelminthic drugs mode of action and its metabolic impact on Taenia crassiceps cysticerci.
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